Anastasius Bibliothecarius
Librarian
Anastasius Bibliothecarius was the librarian and chief archivist of the Church of Rome and also briefly a claimant to the Papacy. Wikipedia
Born: 810 AD, Rome, Italy
Died: 878 AD (age 68 years), Rome, Italy
Books: Anastasius: Or, Memoirs of a Greek; Written at the Close of the Eighteenth Century in Three Volumes. Vol I, De Anastasio Sinaita, Dissertatio [Maintaining That He, and Not Anastasius I, Patriarch of Antioch, Is the Author of the Hodegus], The Life of Our Holy Father, Maximus the Confessor: Based on the Life by His Disciple Anastasius, the Apocrisiarios of Rome, and more
Papacy began: c. 17 July 855